🤗HW32: 12.15

Front

What happens to the average kinetic energy of particles when temperature increases?

Back

The average kinetic energy among the particles increases.

Front

What happens to intermolecular forces when temperature increases?

Back

The intermolecular forces become weaker.

Front

What is the function of the nucleus in a cell?

Back

The nucleus contains the cell's genetic material and controls its activities.

Front

What does the Law of Conservation of Mass state?

Back

It states that no matter can be created or destroyed.

Front

What is a compound molecule?

Back

A compound molecule is made up of two or more different types of atoms bonded together.

Front

What is an elemental molecule?

Back

An elemental molecule consists of two or more atoms of the same element bonded together.

Front

How does a substance change phase from solid to gas?

Back

The substance absorbs heat, causing the particles to gain energy and move apart.

Front

What is the process of melting?

Back

Melting is the transition from solid to liquid when a substance absorbs heat.

Front

What is the process of evaporation?

Back

Evaporation is the transition from liquid to gas when a substance gains enough energy.

Front

What is condensation?

Back

Condensation is the process where gas turns into liquid as it loses energy.